Hadith 11:18
’Ali (RAA) narrated that They (the Muslims and the polytheists) engaged in duel combat on the Day of Badr. Related by Al-Bukhari and Abu Dawud reported it as part of a long hadith.
وَعَنْ عَلِيٍّ - رضى الله عنه - { أَنَّهُمْ تَبَارَزُوا يَوْمَ بَدْرٍ } رَوَاهُ اَلْبُخَارِيُّ وَأَخْرَجَهُ أَبُو دَاوُدَ مُطَوَّلاً